package com.liuhe.test1;

import java.math.BigInteger;

public class Test1 {
    public static void main(String[] args) {
        Object obj = new Object();
        BigInteger bi = new BigInteger("1000000000000000000000");
        System.out.println(bi);
        BigInteger b3 = new BigInteger("1234",5);
        System.out.println(b3);
    }
}
